Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group
Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group
I. Spin-‐orbit Coupling Strikes Back a. “The Usual Old Story” 8
I. Spin-‐orbit Coupling Strikes Back a. “The Usual Old Story” Spin-‐orbit coupling in solids ⇒ EffecCve k-‐dependent magneCc field Transfer of angular momentum & coupling to the labce Spin relaxaOon Ellio.-‐Yafet Dyakonov-‐Perel Damping Magnon-‐magnon Magnon-‐phonon MagneOc Anisotropy Uniaxial, Biaxial etc. Dzyaloshinskii-‐Moriya Anomalous Transport Anomalous Hall effect Anisotropic Magnetoresistance Banerjee, Nano Le.ers 2011 Krivorotov, Science 2005 McGuire, IEEE Trans. Mag 1975 9
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- Page 5 and 6: 1 st International Workshop on Spin
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- Page 15 and 16: II. What the spin is going on
- Page 17 and 18: II. What the spin is going on
- Page 19 and 20: Outline I. Spin-‐Orbit Coupli
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- Page 29 and 30: V. Dzyaloshinskii-‐Moriya int
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I. <strong>Sp<strong>in</strong></strong>-‐orbit Coupl<strong>in</strong>g Strikes Back <br />
a. “The Usual Old Story” <br />
<strong>Sp<strong>in</strong></strong>-‐orbit coupl<strong>in</strong>g <strong>in</strong> solids <br />
⇒ EffecCve k-‐dependent magneCc field <br />
Transfer of angular momentum & coupl<strong>in</strong>g to the labce <br />
<strong>Sp<strong>in</strong></strong> relaxaOon <br />
Ellio.-‐Yafet <br />
Dyakonov-‐Perel <br />
Damp<strong>in</strong>g <br />
Magnon-‐magnon <br />
Magnon-‐phonon <br />
MagneOc Anisotropy <br />
Uniaxial, Biaxial etc. <br />
Dzyalosh<strong>in</strong>skii-‐Moriya <br />
Anomalous Transport <br />
Anomalous Hall effect <br />
Anisotropic Magnetoresistance <br />
Banerjee, Nano Le.ers 2011 Krivorotov, Science 2005 <br />
McGuire, IEEE Trans. Mag 1975 <br />
9
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